213110404 has 24 divisors (see below), whose sum is σ = 405617688. Its totient is φ = 97382400.

The previous prime is 213110389. The next prime is 213110437. The reversal of 213110404 is 404011312.

213110404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60093504 + 153016900 = 7752^2 + 12370^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15037 + ... + 25540.

It is an arithmetic number, because the mean of its divisors is an integer number (16900737).

Almost surely, 2^213110404 is an apocalyptic number.

It is an amenable number.

213110404 is a deficient number, since it is larger than the sum of its proper divisors (192507284).

213110404 is a wasteful number, since it uses less digits than its factorization.

213110404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40695 (or 40693 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 213110404 is about 14598.3014080406. The cubic root of 213110404 is about 597.3124277147.

Adding to 213110404 its reverse (404011312), we get a palindrome (617121716).

The spelling of 213110404 in words is "two hundred thirteen million, one hundred ten thousand, four hundred four".